in any case, this is the fourth school shooting since last month's massacre at sandy hook elementary in connecticut. three of those four on college campuses. casey stegall live now at the lone star college campus and, casey, officials held a news conference a little while ago, yes? >> yeah, shepard. officials with the harris county sheriff's office who tell us that this all went down in between the library and an academic building right back here behind me. investigators and eyewitnesses say reports of up to 8 gunshots were heard. but authorities saying it's way too early to speculate what this argument was about that led to the gunfire. ironically, lone star college here had just rehearsed how to handle an active shooter. just within the last seven days on this campus, we have had three training exercises for faculty and staff on what to do in an event like this. >> sign of the times. police say another person transported to the hospital this afternoon after reportedly suffering a heart attack during all of, this shepard. >> shepard: what a day for those students in the library, cas